280 lines
9.6 KiB
C#
280 lines
9.6 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using OpenMetaverse;
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using OpenSim.Framework;
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using OpenSim.Data;
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using System.Reflection;
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using log4net;
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using RegionFlags = OpenSim.Framework.RegionFlags;
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namespace OpenSim.Data.Null
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{
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public class NullRegionData : IRegionData
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{
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private static NullRegionData Instance = null;
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/// <summary>
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/// Should we use the static instance for all invocations?
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/// </summary>
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private bool m_useStaticInstance = true;
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// private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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Dictionary<UUID, RegionData> m_regionData = new Dictionary<UUID, RegionData>();
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public NullRegionData(string connectionString, string realm)
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{
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// m_log.DebugFormat(
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// "[NULL REGION DATA]: Constructor got connectionString {0}, realm {1}", connectionString, realm);
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// The !static connection string is a hack so that regression tests can use this module without a high degree of fragility
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// in having to deal with the static reference in the once-loaded NullRegionData class.
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//
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// In standalone operation, we have to use only one instance of this class since the login service and
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// simulator have no other way of using a common data store.
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if (connectionString == "!static")
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m_useStaticInstance = false;
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else if (Instance == null)
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Instance = this;
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}
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private delegate bool Matcher(string value);
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public List<RegionData> Get(string regionName, UUID scopeID)
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{
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if (m_useStaticInstance && Instance != this)
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return Instance.Get(regionName, scopeID);
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// m_log.DebugFormat("[NULL REGION DATA]: Getting region {0}, scope {1}", regionName, scopeID);
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string cleanName = regionName.ToLower();
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// Handle SQL wildcards
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const string wildcard = "%";
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bool wildcardPrefix = false;
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bool wildcardSuffix = false;
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if (cleanName.Equals(wildcard))
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{
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wildcardPrefix = wildcardSuffix = true;
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cleanName = string.Empty;
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}
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else
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{
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if (cleanName.StartsWith(wildcard))
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{
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wildcardPrefix = true;
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cleanName = cleanName.Substring(1);
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}
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if (regionName.EndsWith(wildcard))
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{
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wildcardSuffix = true;
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cleanName = cleanName.Remove(cleanName.Length - 1);
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}
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}
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Matcher queryMatch;
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if (wildcardPrefix && wildcardSuffix)
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queryMatch = delegate(string s) { return s.Contains(cleanName); };
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else if (wildcardSuffix)
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queryMatch = delegate(string s) { return s.StartsWith(cleanName); };
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else if (wildcardPrefix)
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queryMatch = delegate(string s) { return s.EndsWith(cleanName); };
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else
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queryMatch = delegate(string s) { return s.Equals(cleanName); };
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// Find region data
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List<RegionData> ret = new List<RegionData>();
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lock (m_regionData)
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{
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foreach (RegionData r in m_regionData.Values)
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{
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// m_log.DebugFormat("[NULL REGION DATA]: comparing {0} to {1}", cleanName, r.RegionName.ToLower());
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if (queryMatch(r.RegionName.ToLower()))
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ret.Add(r);
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}
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}
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if (ret.Count > 0)
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return ret;
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return null;
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}
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public RegionData Get(int posX, int posY, UUID scopeID)
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{
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if (m_useStaticInstance && Instance != this)
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return Instance.Get(posX, posY, scopeID);
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List<RegionData> ret = new List<RegionData>();
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lock (m_regionData)
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{
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foreach (RegionData r in m_regionData.Values)
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{
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if (r.posX == posX && r.posY == posY)
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ret.Add(r);
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}
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}
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if (ret.Count > 0)
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return ret[0];
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return null;
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}
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public RegionData Get(UUID regionID, UUID scopeID)
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{
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if (m_useStaticInstance && Instance != this)
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return Instance.Get(regionID, scopeID);
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lock (m_regionData)
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{
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if (m_regionData.ContainsKey(regionID))
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return m_regionData[regionID];
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}
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return null;
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}
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public List<RegionData> Get(int startX, int startY, int endX, int endY, UUID scopeID)
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{
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if (m_useStaticInstance && Instance != this)
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return Instance.Get(startX, startY, endX, endY, scopeID);
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List<RegionData> ret = new List<RegionData>();
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lock (m_regionData)
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{
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foreach (RegionData r in m_regionData.Values)
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{
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if (r.posX >= startX && r.posX <= endX && r.posY >= startY && r.posY <= endY)
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ret.Add(r);
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}
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}
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return ret;
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}
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public bool Store(RegionData data)
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{
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if (m_useStaticInstance && Instance != this)
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return Instance.Store(data);
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// m_log.DebugFormat(
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// "[NULL REGION DATA]: Storing region {0} {1}, scope {2}", data.RegionName, data.RegionID, data.ScopeID);
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lock (m_regionData)
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{
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m_regionData[data.RegionID] = data;
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}
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return true;
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}
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public bool SetDataItem(UUID regionID, string item, string value)
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{
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if (m_useStaticInstance && Instance != this)
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return Instance.SetDataItem(regionID, item, value);
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lock (m_regionData)
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{
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if (!m_regionData.ContainsKey(regionID))
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return false;
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m_regionData[regionID].Data[item] = value;
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}
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return true;
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}
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public bool Delete(UUID regionID)
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{
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if (m_useStaticInstance && Instance != this)
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return Instance.Delete(regionID);
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// m_log.DebugFormat("[NULL REGION DATA]: Deleting region {0}", regionID);
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lock (m_regionData)
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{
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if (!m_regionData.ContainsKey(regionID))
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return false;
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m_regionData.Remove(regionID);
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}
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return true;
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}
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public List<RegionData> GetDefaultRegions(UUID scopeID)
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{
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return Get((int)RegionFlags.DefaultRegion, scopeID);
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}
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public List<RegionData> GetDefaultHypergridRegions(UUID scopeID)
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{
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return Get((int)RegionFlags.DefaultHGRegion, scopeID);
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}
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public List<RegionData> GetFallbackRegions(UUID scopeID, int x, int y)
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{
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List<RegionData> regions = Get((int)RegionFlags.FallbackRegion, scopeID);
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RegionDataDistanceCompare distanceComparer = new RegionDataDistanceCompare(x, y);
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regions.Sort(distanceComparer);
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return regions;
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}
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public List<RegionData> GetHyperlinks(UUID scopeID)
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{
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return Get((int)RegionFlags.Hyperlink, scopeID);
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}
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private List<RegionData> Get(int regionFlags, UUID scopeID)
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{
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if (Instance != this)
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return Instance.Get(regionFlags, scopeID);
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List<RegionData> ret = new List<RegionData>();
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lock (m_regionData)
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{
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foreach (RegionData r in m_regionData.Values)
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{
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if ((Convert.ToInt32(r.Data["flags"]) & regionFlags) != 0)
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ret.Add(r);
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}
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}
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return ret;
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}
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}
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}
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